Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 751

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-751 A Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-751 0 Walloon Lake MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-06-22   
231-751 1 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-24   
231-751 2 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-24   
231-751 3 Walloon Lake MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2018-11-18   
231-751 4 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-751 5 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-751 6 Walloon Lake MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-19   
231-751 7 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2014-11-05   
231-751 8 Walloon Lake MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-20   
231-751 9 Walloon Lake MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-01-10   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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